package cn.edu.hunau.service;

import cn.edu.hunau.exception.DaoException;
import cn.edu.hunau.pojo.User;


import java.util.Map;

/**
 * @Author 苏佳
 * @Date 2023 01 04 09 06
 **/
public interface BackstageService {
    Map<String,Map<String, Integer>> countingOrder()throws DaoException;
    Map<String,Integer> countingRegisterNum()throws DaoException;

    Map<String,Integer> topSellingSum()throws DaoException;

    User login(String username, String pwd)throws DaoException;
}
